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Literature summary for 4.2.1.8 extracted from

  • Robert-Baudouy, J.; Jimeno-Abendano, J.; Stoeber, F.
    D-Mannonate and D-altronate dehydratases of Escherichia coli K12 (1982), Methods Enzymol., 90, 288-294.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
sulfhydryl compounds required for maintenance of activity Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
D-glucuronate competitive Escherichia coli
D-Glucuronic amide noncompetitive Escherichia coli
D-mannitol competitive Escherichia coli
D-Mannonic amide noncompetitive Escherichia coli
D-sorbitol competitive Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
20
-
D-mannonate
-
Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ maximal activation at 0.8 mM FeSo4 Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Escherichia coli

Storage Stability

Storage Stability Organism
4°C, 10 mM Tris buffer, pH 7.0, 10% loss of activity after 1 month Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-Mannonate
-
Escherichia coli 2-Dehydro-3-deoxy-D-gluconate + H2O
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
52
-
2 min, about 50% loss of activity Escherichia coli
59
-
1 min, 90% loss of activity Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8.5
-
Escherichia coli

pH Stability

pH Stability pH Stability Maximum Comment Organism
7 8.5 maximal stability Escherichia coli